WebBrowser Security
The WebBrowser control is designed to work in full trust only. The HTML content displayed in the control can come from external Web servers and may contain unmanaged code in the form of scripts or Web controls. If you use the WebBrowser control in this situation, the control is no less secure than Internet Explorer would be, but the managed WebBrowser control does not prevent such unmanaged code from running.
For more information about security issues relating to the underlying ActiveX WebBrowser control, see WebBrowser Control.
See also
Collaborate with us on GitHub
The source for this content can be found on GitHub, where you can also create and review issues and pull requests. For more information, see our contributor guide.
.NET Desktop feedback